<!DOCTYPE html>
<html>
    <head>
        <script src="vue.js"></script>
    </head>
    <body>
        <div id="app">
            <button @click="add">增加学生</button>
            <button v-on:click="del">减少学生</button>
            <table border="1" width="20%" style="border-collapse: collapse">
            <tr>
                <th>班级</th>
                <th>姓名</th>
                <th>性别</th>
                <th>年龄</th>
            </tr>
            <tr align="center" v-for="item in students">
                <td>{{item.grade}}</td>
                <td>{{item.name}}</td>
                <td>{{item.gender}}</td>
                <td>{{item.age}}</td>
            </tr>
            </table>
        </div>
        <script>
            var vm = new Vue({
                el:'#app',
                data:{
                    students : [
                        {grade:'1',name:'张三',gender:'男',age:'25'},
                        {grade:'2',name:'张1',gender:'男',age:'24'}
                    ]
                },
                methods:{
                    //增加学生信息
                    add(){
                        var student = {grade:'1',name:'李四',gender:'女',age:'22'};
                        this.students.push(student);
                    },
                    //减少学生信息
                    del(){
                        this.students.pop();
                    }
                }
            });
        </script>
    </body>
</html>